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r <br /> CALTECH Environmental Laboratories <br /> i6814 Rosecrans Avenue PaiaMOUnt CA 90723-3146 <br /> • O Telephone (562) 272-2700 Fax (562) 272-2789 <br /> r <br /> QA/QC Report <br /> r <br /> Method 8260B <br /> iMatrix Water <br /> iDate Analyzed 1011104 <br /> Units ug/L <br /> iPerimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br /> i 1,1-Dichloroethene 44 46 50 88 92 60-140 4 <br /> Benzene 49 51 50 98 102 60-140 4 <br /> Trichloroethene 44 46 50 88 92 60-140 4 <br /> i Toluene 48 50 50 96 100 60-140 4 <br /> Chlorobenzene 47 48 50 94 96 60-140 2 <br /> m, -X lenes 91 96 100 91 96 60-140 5 <br /> I ! <br /> LCS Laboratory Control Standard <br /> iLCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> I <br /> iPerimeters Bunk Limits RPD <br /> 1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> i Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> im, -Xylenes 0 70-130 <br /> I <br /> r <br /> i <br /> r _ <br /> TOTAL LY DEDICATED rO CUS"I OMER SATISFACTION <br />